North America Native Plant

Duabanga

Botanical name: Duabanga

USDA symbol: DUABA3

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Duabanga: A Majestic Tropical Tree for Warm Climate Gardens If you’ve been searching for a show-stopping tree to anchor your tropical landscape, you might want to get acquainted with Duabanga. This lesser-known gem brings serious tropical vibes to any garden lucky enough to host it, though it’s definitely not a ...

Duabanga: A Majestic Tropical Tree for Warm Climate Gardens

If you’ve been searching for a show-stopping tree to anchor your tropical landscape, you might want to get acquainted with Duabanga. This lesser-known gem brings serious tropical vibes to any garden lucky enough to host it, though it’s definitely not a plant for every climate or gardener.

What Exactly is Duabanga?

Duabanga is a perennial tree that means business when it comes to size. We’re talking about a substantial woody plant that typically grows well over 13-16 feet tall, with a strong single trunk that commands attention in any landscape. While it might occasionally develop multiple stems or stay shorter under certain conditions, this tree generally wants to reach for the sky.

Where Does Duabanga Call Home?

This tree is native to the Pacific Basin (excluding Hawaii) and naturally grows in places like Palau. If you’re dreaming of adding some authentic Pacific island flair to your garden, Duabanga delivers that genuine tropical authenticity.

The Good, The Bad, and The Beautiful

Let’s be honest about what you’re signing up for with Duabanga:

The Appeal

  • Striking tropical appearance with large, attractive foliage
  • Can produce showy flowers that add seasonal interest
  • Excellent as a specimen tree or shade provider
  • Attracts pollinators like bees and butterflies when blooming
  • Authentic Pacific island native species

The Reality Check

  • Only suitable for USDA zones 10-12 (think Florida, Hawaii, southern California)
  • Needs lots of space – this isn’t a small garden tree
  • Requires consistently warm, humid conditions
  • May be difficult to source outside its native range

Creating the Perfect Home for Duabanga

If you live in the right climate zone and have the space, here’s how to keep your Duabanga happy:

Location, Location, Location

Choose a spot with plenty of room for a large tree to spread out. Duabanga works beautifully as a focal point in large residential landscapes, tropical gardens, or park settings where it has room to reach its full potential.

Growing Conditions

  • Climate: Warm, humid tropical or subtropical conditions year-round
  • Soil: Well-draining, fertile soil that retains some moisture
  • Water: Regular, consistent watering – this tree doesn’t appreciate drought
  • Protection: Shield young trees from strong winds until they’re established

Is Duabanga Right for Your Garden?

Duabanga is definitely a specialty plant that requires the right conditions and commitment. It’s perfect for gardeners in warm climates who want to grow native Pacific species and have the space for a large tree. However, if you’re in a cooler climate or working with limited space, you might want to consider other options.

For those outside tropical zones looking for similar tropical appeal, consider exploring native alternatives suited to your specific region – your local native plant society can point you toward trees that will give you that lush, exotic look while being better adapted to your local conditions.

The Bottom Line

Duabanga isn’t your average backyard tree, and that’s exactly what makes it special. If you have the right climate, space, and appreciation for Pacific native plants, this majestic tree can transform your landscape into a tropical paradise. Just make sure you’re ready for the long-term commitment that comes with growing such a substantial specimen tree.

Duabanga

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Magnoliales

Family

Sonneratiaceae Engl. - Sonneratia family

Genus

Duabanga Buch.-Ham.

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA